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PERFORMANCE OF CO-AXIAL PROBE FED RECTANGULAR MICROSTRIP ANTENNA WITH RADOME THICKNESS AND DILECTRIC CONSTANTS

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.6, No. 7)

Publication Date:

Authors : ;

Page : 585-588

Keywords : Microstrip antennas; Resonant frequency; Superstrates; VSWR; Gain; Beam width etc;

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Abstract

This paper presents the variation of some selected parameters of a co-axial probe fed rectangular microstrip antenna as a function of Radome thickness and dielectric constant. Better range of radome thickness at 2300MHz in S-Band is found to be 0.1-0.6 mm with superstrate dielectric constant of 2.2. To give a maximum VSWR of 3:1. The better range of superstrate (a) Dielectric constant is up to 5 at 0.1mm thickness. (b) Dielectric constant is up to 3 at 0.2-0.3mm thickness (c) Dielectric constant is up to 2 at 0.3-0.6mm thickness at a maximum VSWR of 3:1. Some characteristics of co-axial fed rectangular microstrip antenna as a function of dielectric constant and thickness of a radome have been evaluated using computer simulation using IE3D software from Zeland. The antenna characteristics are investigated includes frequency shift, VSWR variation, gain, beam widths in E &H- Planes respectively.

Last modified: 2017-07-19 20:56:00